Expansion bracelet



FIG. 1 is a top plan view of an expansion bracelet showing my new design;

FIG. 2 is a bottom plan view thereof with the central portion removed for ease of illustration;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an end view thereof; and

FIG. 5 is a partial enlarged top plan view showing several adjacent top shells thereof. 

The ornamental design for an expansion bracelet, as shown and described. 